Ive heard it a million times Powerdyne Sucks, we'll its true. This winter my bd11a rebuilt from 928 motorsports. I bought the whole kit from my cousin for 500 bucks, then i sent it out for the rebuild cause it was broke, obviously an omen. After 377 miles iI had horrible bearing squeal, turns out a bearing spun, had it rebuilt again, and tonight racing a modded 93 cobra and 355 mile later the belt breaks. just letting you all know the Powerdyne will never run again on my car, so long powerdyne you've lost yet another customer to Vortech!